Add missing http methods (#8)

## Description
As per the title.

## Related Issue
Closes #6

.github/pull_request_template.md

@@ -1,13 +1,3 @@
----
-name: Pull request
-about: Create a pull request to contribute to this project
-title: ""
-labels: enhancement
-
----
-
-# Pull Request
-
 ## Description
 <!-- Briefly describe the changes introduced by this pull request. -->
 

Package.swift

@@ -15,6 +15,7 @@ let package = Package(
         .target(name: "NetworkAPI"),
         .target(name: "Network", dependencies: ["NetworkAPI"]),
         .target(name: "NetworkMocks", dependencies: ["NetworkAPI"]),
+        .testTarget(name: "NetworkAPITests", dependencies: ["NetworkAPI"]),
         .testTarget(name: "NetworkTests", dependencies: ["Network", "NetworkMocks"])
     ],
 	swiftLanguageVersions: [.v5]

Sources/NetworkAPI/HTTPMethod.swift

@@ -1,6 +1,23 @@
 import Foundation
 
-/// Method of an HTTP request.
+/// The source of a request's semantics.
+///
+///[Reference](https://www.rfc-editor.org/rfc/rfc9110.html#name-methods).
 public enum HTTPMethod: String {
-    case get = "GET"
+	/// Transfer a current representation of the target resource.
+	case get = "GET"
+	/// Same as GET, but do not transfer the response content.
+	case head = "HEAD"
+	/// Perform resource-specific processing on the request content.
+	case post = "POST"
+	/// Replace all current representations of the target resource with the request content.
+	case put = "PUT"
+	/// Remove all current representations of the target resource.
+	case delete = "DELETE"
+	/// Establish a tunnel to the server identified by the target resource.
+	case connect = "CONNECT"
+	/// Describe the communication options for the target resource.
+	case options = "OPTIONS"
+	/// Perform a message loop-back test along the path to the target resource.
+	case trace = "TRACE"
 }

Tests/NetworkAPITests/HTTPMethodTests.swift

@@ -0,0 +1,15 @@
+import NetworkAPI
+import XCTest
+
+final class HTTPMethodTests: XCTestCase {
+	func testRawValue_whenCalled_shouldReturnExpectedValue() {
+		XCTAssertEqual(HTTPMethod.get.rawValue, "GET")
+		XCTAssertEqual(HTTPMethod.head.rawValue, "HEAD")
+		XCTAssertEqual(HTTPMethod.post.rawValue, "POST")
+		XCTAssertEqual(HTTPMethod.put.rawValue, "PUT")
+		XCTAssertEqual(HTTPMethod.delete.rawValue, "DELETE")
+		XCTAssertEqual(HTTPMethod.connect.rawValue, "CONNECT")
+		XCTAssertEqual(HTTPMethod.options.rawValue, "OPTIONS")
+		XCTAssertEqual(HTTPMethod.trace.rawValue, "TRACE")
+	}
+}